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Fluid Mechanics Fundamentals And Applications
3rd Edition
ISBN: 9780073380322
Author: Yunus Cengel, John Cimbala
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 5, Problem 91P
The velocity profile for turbulent flow in a circular pipe is approximated as
where n = 9. Determine the kinetic energy correction factor for this flow.
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Chapter 5 Solutions
Fluid Mechanics Fundamentals And Applications
Ch. 5 - Name four physical quantities that are conserved...Ch. 5 - Define mass and volume flow rates. How are they...Ch. 5 - Does the amount of mass entering a control volume...Ch. 5 - When is the flow through a control volume steady?Ch. 5 - Consider a device with one inlet and one outlet....Ch. 5 - In climates with low night-time temperatures, an...Ch. 5 - A garden hose attached with a nozzle is used to...Ch. 5 - Air whose density is 0.082 Ibm/ft3 enters the duct...Ch. 5 - A 0.7$-m3 rigid tank initially contains air whose...Ch. 5 - Consider the flow of an incompressible Newtonian...
Ch. 5 - Consider a fully filled tank of semi-circular...Ch. 5 - Prob. 12PCh. 5 - Prob. 13PCh. 5 - The minimum fresh air requirement of a residential...Ch. 5 - Air enters a nozzle steadily at 2.21 kg/m3 and 20...Ch. 5 - Air at 40°C flow steadily through the pipe shown...Ch. 5 - A hair dryer is basically a duct of constant...Ch. 5 - Define turbine efficiency, generator efficiency,...Ch. 5 - What is mechanical efficiency? What does a...Ch. 5 - How is the combined pump-motor efficiency of a...Ch. 5 - What is mechanical energy? 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How does it...Ch. 5 - A glass manometer with oil as the working fluid is...Ch. 5 - The velocity of a fluid flowing in a pipe is to be...Ch. 5 - The water level of a tank on a building roof is 20...Ch. 5 - Prob. 41CPCh. 5 - In a hydroelectric power plant, water enters the...Ch. 5 - A Pitot-static probe is used to measure the speed...Ch. 5 - The air velocity in the duct of a heating system...Ch. 5 - Prob. 45EPCh. 5 - A piezometer and a Pitot tube are tapped into a...Ch. 5 - The diameter of a cylindrical water tank is D0and...Ch. 5 - A siphon pumps water from a large reservoir to a...Ch. 5 - Prob. 49PCh. 5 - Water flows through a horizontal pipe at a rate of...Ch. 5 - An airplane is flying at an altitude of 10.500 m....Ch. 5 - While traveling on a dirt road, the bottom of a...Ch. 5 - The water in an 8-rn-diameter, 3-rn-high...Ch. 5 - Reconsider Prob. 5-49. 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Is...Ch. 5 - The water level in a tank is 20 m above the...Ch. 5 - A person is filling a knee-high bucket with water...Ch. 5 - A 3-rn-high tank filled with water has a discharge...Ch. 5 - In a hydroelectric power plant, water flows from...Ch. 5 - Reconsider Prob. 5-78E. 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Determine the flow rate of...Ch. 5 - A 78-percent efficient 12-hp pump is pumping water...Ch. 5 - The demand for electric power is usually much...Ch. 5 - When a system is subjected to a linear rigid body...Ch. 5 - A fireboat is to fight fires at coastal areas by...Ch. 5 - The velocity of a liquid flowing in a circular...Ch. 5 - Air at 250 kgrn3 enters a nozzle that has an...Ch. 5 - The water level in a tank is 70 ft above the...Ch. 5 - A pressurized 2-rn-diameter tank of water has a...Ch. 5 - Air flows through a pipe at a rate of 120 L/s. The...Ch. 5 - A very large tank contains air at 102 kPa at a...Ch. 5 - Water is flowing through a Venturi meter whose...Ch. 5 - Water flows at a rate of 0.011 m3/s in a...Ch. 5 - The air in a 6-m × 5-m × 4-m hospital room is to...Ch. 5 - Underground water is being pumped into a pool...Ch. 5 - A 3-rn-high large tank is initially filled with...Ch. 5 - Reconsider Prob. 5-105. In order to dram the tank...Ch. 5 - A D0=8 -m-diameter tank is initially filled with...Ch. 5 - In some applications, elbow-type flow meters like...Ch. 5 - The cylindrical water tank with a valve at the...Ch. 5 - A rigid tank of volume 1.5 m3 initially contains...Ch. 5 - A wind tunnel draws atmospheric air at 20°C and...Ch. 5 - Water flows in a 5-cm-diameter pipe at a velocity...Ch. 5 - Air at 100 kPa and 20°C flows in a 12-cm-diameter...Ch. 5 - A water tank initially contains 140 L of water....Ch. 5 - Water enters a 4-cm-diameter pipe at a velocity of...Ch. 5 - The pressure of water is increased from 100 kPa to...Ch. 5 - A 75-m-high water body that is open to the...Ch. 5 - A pump is used to increase the pressure of water...Ch. 5 - A hydraulic turbine is used to generate power by...Ch. 5 - The motor of a pump consumes 1.05 hp of...Ch. 5 - The efficiency of a hydraulic turbine-generator...Ch. 5 - Which parameter is not related in the Bernoulli...Ch. 5 - Consider incompressible, frictionless flow of a...Ch. 5 - Consider incompressible, frictionless flow of...Ch. 5 - Consider water flow in a piping network. 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